<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>Document</title>
  </head>
  <body>
    <style>
      .container {
        display: grid;
        grid-template-columns: 100px 200px 100px;
        grid-template-rows: 50px 100px;
        grid-gap: 10px;
      }

      .item {
        background-color: rgba(255, 255, 255, 0.8);
        padding: 20px;
        font-size: 30px;
        text-align: center;
        border: 1px solid #000;
      }
    </style>
    <div class="container">
      <div class="item">1</div>
      <div class="item">2</div>
      <div class="item">3</div>
      <div class="item">4</div>
      <div class="item">5</div>
      <div class="item">6</div>
    </div>
  </body>
</html>
